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A controller for the selection of SelectableChannel objects. Selectable channels
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A connection represents a link from a Java application to a database. All SQL
statements and results
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A synchronization aid that allows one or more threads to wait until a set of
operations being perfor
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General file manipulation utilities. Facilities are provided in the following
areas: * writing to a
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A Java virtual machine.
A VirtualMachine represents a Java virtual machine to which this Java vir
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